Western Zone Zone Boys 10 & under - 50 Y Breast
These rankings show the swimmers' placement within their Zone.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Albert Zhao | 41.46 | 10 | A Min | AA: 40.19 (+1.27s | 3.1%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 102 | Aiden Makanoneng | 41.47 | 10 | A Min | AA: 40.19 (+1.28s | 3.1%) | Life Time Northern California | 10/17/2026 | Pumpkin Meet, Oct 2026 | |
| 103 | Devin Song | 41.53 | 9 | A Min | AA: 40.19 (+1.34s | 3.2%) | Rose Bowl Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 104 | Erik Shabdanov | 41.53 | 9 | A Min | AA: 40.19 (+1.34s | 3.2%) | Sunnyvale Swim Club | 10/24/2026 | SUNN Fall Classic 2026 | |
| 105 | Max Ong | 41.59 | 10 | A Min | AA: 40.19 (+1.40s | 3.4%) | Pacific Swim | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 106 | Kaito Kinnaird | 41.59 | 10 | A Min | AA: 40.19 (+1.40s | 3.4%) | Excel Aquatics | 10/23/2026 | 2026 Pumpkin Spice Splash | |
| 107 | Landon Gura | 41.60 | 10 | A Min | AA: 40.19 (+1.41s | 3.4%) | North Coast Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 108 | Ilan Rattner | 41.63 | 10 | A Min | AA: 40.19 (+1.44s | 3.5%) | Sunnyvale Swim Club | 09/27/2026 | SUNN Blue And Gold Intrasquad Meet | |
| 109 | Andrew Zhao | 41.65 | 9 | A Min | AA: 40.19 (+1.46s | 3.5%) | DeAnza Cupertino Aquatics | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 110 | Austin Mitchell | 41.66 | 10 | A Min | AA: 40.19 (+1.47s | 3.5%) | Valley Aquatics | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 111 | Luka McGrath | 41.69 | 10 | A Min | AA: 40.19 (+1.50s | 3.6%) | Multnomah Athletic Club | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 112 | Jaezyn Magnaye | 41.74 | 10 | A Min | AA: 40.19 (+1.55s | 3.7%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 113 | Jay Kowren | 41.78 | 10 | A Min | AA: 40.19 (+1.59s | 3.8%) | Bainbridge Island Swim Club | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 114 | Cameron Day | 41.82 | 10 | A Min | AA: 40.19 (+1.63s | 3.9%) | Mission Viejo Nadadores | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 115 | Yixuan Zhu | 41.82 | 10 | A Min | AA: 40.19 (+1.63s | 3.9%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 116 | Jake McNair | 41.84 | 9 | A Min | AA: 40.19 (+1.65s | 3.9%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 117 | Haolin Chen | 41.85 | 10 | A Min | AA: 40.19 (+1.66s | 4.0%) | Pacific Dragons Swim Team | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 118 | William Syrett | 41.86 | 10 | A Min | AA: 40.19 (+1.67s | 4.0%) | Vacaville Swim Club | 10/02/2026 | 2026 VACA Harvest Hustle Swim Meet | |
| 119 | Eli Lawson | 41.88 | 9 | A Min | AA: 40.19 (+1.69s | 4.0%) | Dolphin Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 120 | Koa Tejwani | 41.92 | 9 | A Min | AA: 40.19 (+1.73s | 4.1%) | Jcc Waves | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 121 | Jeffrey Crouse | 41.96 | 10 | A Min | AA: 40.19 (+1.77s | 4.2%) | Livermore AquaCowboys | 07/25/2026 | Zone 2 Summer Championships | |
| 122 | William Yao | 41.98 | 10 | A Min | AA: 40.19 (+1.79s | 4.3%) | Fontana Aquatics Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 123 | Colin Hui | 42.01 | 10 | A Min | AA: 40.19 (+1.82s | 4.3%) | Highlands Ranch Aquatics | 09/11/2026 | 2026 CO Friday Night At The Races | |
| 124 | David Chen | 42.03 | 10 | A Min | AA: 40.19 (+1.84s | 4.4%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 125 | Leo Ioffe | 42.08 | 10 | A Min | AA: 40.19 (+1.89s | 4.5%) | Santa Clara Swim Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 126 | Eddie Bi | 42.09 | 10 | A Min | AA: 40.19 (+1.90s | 4.5%) | California Dolphins Swim Team | 10/10/2026 | Orinda Aquatics PC SC C B BB+ | |
| 127 | Mark Kiselev | 42.12 | 9 | BB Min | A: 42.09 (+0.03s | 0.1%) | Royal Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 128 | Joon Cha | 42.12 | 10 | BB Min | A: 42.09 (+0.03s | 0.1%) | Sunnyvale Swim Club | 09/18/2026 | PSL Pacifica Season Launch CBA+ Meet | |
| 129 | Arthur Shackelton | 42.13 | 10 | BB Min | A: 42.09 (+0.04s | 0.1%) | Lakeridge Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 130 | Henry Sundberg | 42.15 | 9 | BB Min | A: 42.09 (+0.06s | 0.1%) | North Bay Aquatics | 09/26/2026 | WANV CBA+ Endless Summer Meet 2026 | |
| 131 | Cheng Dou | 42.17 | 10 | BB Min | A: 42.09 (+0.08s | 0.2%) | Alto Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 132 | Cash Bailey | 42.19 | 10 | BB Min | A: 42.09 (+0.10s | 0.2%) | Excel Aquatics | 09/25/2026 | 2026 Excel Aquatics Fall Fest Invite | |
| 133 | Yusen Wang | 42.20 | 9 | BB Min | A: 42.09 (+0.11s | 0.3%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 134 | Anderson Bradley | 42.21 | 10 | BB Min | A: 42.09 (+0.12s | 0.3%) | Coastal Machine Aquatics Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 135 | Jayden Zhen | 42.22 | 10 | BB Min | A: 42.09 (+0.13s | 0.3%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 136 | Jason Yin | 42.22 | 9 | BB Min | A: 42.09 (+0.13s | 0.3%) | Unattached | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 137 | Kaizen Toung | 42.24 | 9 | BB Min | A: 42.09 (+0.15s | 0.4%) | Orinda Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 138 | Andrew Knol | 42.25 | 10 | BB Min | A: 42.09 (+0.16s | 0.4%) | Pacific Swim | 07/10/2026 | 2026 SI SBA All Ages Last Chance Meet | |
| 139 | Phillippe Choi | 42.27 | 10 | BB Min | A: 42.09 (+0.18s | 0.4%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 140 | Gairen Bean | 42.28 | 10 | BB Min | A: 42.09 (+0.19s | 0.4%) | South Bay Aquatics | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
| 141 | Lucas Pan | 42.35 | 9 | BB Min | A: 42.09 (+0.26s | 0.6%) | Pacific Swimming Zone | 04/26/2026 | 2026 Pacific Swimming Zone All Star Meet | |
| 142 | Colton Kuenle | 42.35 | 9 | BB Min | A: 42.09 (+0.26s | 0.6%) | Blackhawk Swim Team | 10/10/2026 | SRVA SC C B BB+ Meet | |
| 143 | Logan Snodgrass | 42.35 | 10 | BB Min | A: 42.09 (+0.26s | 0.6%) | Denver Swim Academy | 10/10/2026 | 2026 CO FST Swim Pink | |
| 144 | Nicholas Mosendz | 42.37 | 10 | BB Min | A: 42.09 (+0.28s | 0.7%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 145 | William Frohnen | 42.40 | 9 | BB Min | A: 42.09 (+0.31s | 0.7%) | San Ramon Valley Aquatics | 09/19/2026 | PC LAC C B BB 26 Copied | |
| 146 | Mason Sovich | 42.41 | 10 | BB Min | A: 42.09 (+0.32s | 0.8%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 147 | Samuel Zhou | 42.41 | 10 | BB Min | A: 42.09 (+0.32s | 0.8%) | Bay Club Panthers | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 148 | Daniel Nagaoka | 42.44 | 10 | BB Min | A: 42.09 (+0.35s | 0.8%) | Quicksilver Swimming | 03/20/2026 | SCY Spring Age Group Championships | |
| 149 | Luke Chaikriangkrai | 42.46 | 10 | BB Min | A: 42.09 (+0.37s | 0.9%) | Bayclub Aquatic Swim Team | 09/25/2026 | 2026 BAST Season Kick Off Sprint Approved | |
| 150 | Elliott Boland | 42.49 | 10 | BB Min | A: 42.09 (+0.40s | 0.9%) | Academy Swim Club | 09/12/2026 | BIG ISLAND SWIMMING @ KCAC | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.